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TECHNICAL PAPERS

Numerical and Experimental Studies on Nonlinear Dynamic Behaviors of a Rotor-Fluid Film Bearing System With Squeeze Film Dampers

[+] Author and Article Information
Jun Hua, Fangyi Wan, Qingyu Xu

Department of Engineering Mechanics, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, P.R. of China

J. Vib. Acoust 123(3), 297-302 (Dec 01, 2000) (6 pages) doi:10.1115/1.1368119 History: Received January 01, 2000; Revised December 01, 2000
Copyright © 2001 by ASME
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References

White, D. C., 1970, “Squeeze Film Journal Bearings,” Ph.D thesis, Churchill College, the University of Cambridge.
Mohan,  S., and Hahn,  E. J., 1974, “Design of Squeeze Film Damper Supports for Rigid Rotors,” ASME J. Eng. Ind. 96, pp. 976–982.
Cookson,  R. A., and Kossa,  S. S., 1979, “The Effectiveness of Squeeze Film Damper Bearings Supporting Rigid Rotors without a Centralizing Springs,” ASME J. Mech. Des., 21, pp. 639–650.
Botman,  M., 1976, “Experiments on Oil Film Dampers for Turbomachinery,” ASME J. Eng. Power, 98, pp. 393–400.
Sykes,  J. E. H., and Holmes,  R., 1990, “The Effects of Bearing Misalignment on the Nonlinear Vibration of Aero-Engine Rotor-Damper Assemblies,” Proc. Inst. Mech. Eng., Part G, 24, pp. 83–99.
Nataraj,  C., and Nelson,  H. D., 1989, “Periodic Solutions in Rotor Dynamic Systems with Nonlinear Supports: a General Approach,” ASME J. Vibr. Acoust., 111, pp. 187–193.
Zhao,  J. Y., Linnett,  I. W., and Mclean,  L. J., 1994a, “Stability and Bifurcation of Unbalanced Response of a Squeeze Film Damped Flexible Rotor,” ASME J. Tribol., 116, pp. 361–368.
Zhao,  J. Y., Linnett,  I. W., and Mclean,  L. J., 1994b, “Subharmonic and Quasi-Periodic Motions of an Eccentric Squeeze Film Damper-Mounted Rigid Rotor,” ASME J. Vibr. Acoust., 116, pp. 357–363.
Zhao,  J. Y., Linnett,  I. W., and Mclean,  L. J., 1998, “Unbalance Response of a Flexible Rotor Supported by a Squeeze Film Damper,” ASME J. Vibr. Acoust., 120, pp. 32–38.
Giberson,  M. F., 1973, “Taming Rotor Whirl with Film-Damper Bearings,” J. Mach. Des., No. 22, pp. 176–178.
Nikolajsent,  J. L., and Holmes,  R., 1979, “Investigation of Squeeze Film Isolators for the Vibration Control of a Flexible Rotor,” ASME J. Mech. Des., 21, No. 4, pp. 247–252.
Zhang,  Jiazhong, Xu,  Qingyu, and Zheng,  Tiesheng, 1998, “Stability and Bifurcation of a Rotor-Fluid Film Bearing System with Squeeze Film Damper,” ASME J. Vibr. Acoust., 120, pp. 1003–1006.
Kanki,  H., Kaneko,  Y., Kurosawa,  M., and Yamamoto,  T., 1998, “Prevention of Low-Frequency Vibration of High-Capacity Steam Turbine Units by Squeeze-Film Damper,” ASME J. Eng. Gas Turbines Power, 120, pp. 391–396.
Kinderlenhrer, D., and Stanpacchia, G., 1980, An Introduction to Variational Inequalities and their Applications, New York, Acad Press.
Tiesheng,  Zheng, Qingyu,  Xu, and Li,  Li, 1995, “An Iterative Method for the Discrete Problem of a Class of Elliptical Variational Inequalities,” Appl. Math. Mech., 16, pp. 351–358.
Nelson,  H. D., Meacham,  W. L., Fleming,  D. P., and Kascak,  A. F., 1983, “Nonlinear Analysis of Rotor-Bearing Systems Using Component Mode Synthesis,” ASME J. Eng. Power, 105, pp. 606–614.
Slaats,  P. M. A., 1995, “Modal Reduction Tools for Nonlinear Structural Dynamic,” Comput. Struct., 54, pp. 1155–1171.
Iooss, G., and Joseph, D. D., 1989, Elementary Stability and Bifurcation Theory, Springer-Verlag, New York.
Parker, T. S., 1989, Practical Numerical Algorithms for Chaotic Systems, New York, Springer-Verlag.

Figures

Grahic Jump Location
Structure diagram of rotor-fluid film bearing system with SFDs
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Structure diagram of SFD
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Waterfall plot of spectrum at channel 5 (without SFD)
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Waterfall plot of spectrum at channel 5 (with SFD)
Grahic Jump Location
Orbit for the journal center (at 4000 r/min)
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Orbit for the journal center (at 8500 r/min)
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Orbit for the journal center (at 10000 r/min)
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Orbit for the bearing center (at 10000 r/min)
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Orbit for the journal center (at 13000 r/min)
Grahic Jump Location
Orbit for the bearing center (at 13000 r/min)
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Waterfall plot (Ch3, without SFDs)
Grahic Jump Location
Waterfall plot (Ch3, with SFDs)

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